diff -Naur a/bfd/doc/bfd.texinfo b/bfd/doc/bfd.texinfo
--- a/bfd/doc/bfd.texinfo	2014-07-08 20:16:50.816554234 -0700
+++ b/bfd/doc/bfd.texinfo	2014-07-08 20:24:18.179356445 -0700
@@ -323,7 +323,7 @@
 @printindex cp
 
 @tex
-% I think something like @colophon should be in texinfo.  In the
+% I think something like @@colophon should be in texinfo.  In the
 % meantime:
 \long\def\colophon{\hbox to0pt{}\vfill
 \centerline{The body of this manual is set in}
@@ -334,7 +334,7 @@
 \centerline{{\sl\fontname\tensl\/}}
 \centerline{are used for emphasis.}\vfill}
 \page\colophon
-% Blame: doc@cygnus.com, 28mar91.
+% Blame: doc@@cygnus.com, 28mar91.
 @end tex
 
 @bye
diff -Naur a/ld/ld.texinfo b/ld/ld.texinfo
--- a/ld/ld.texinfo	2014-07-08 20:16:50.768553990 -0700
+++ b/ld/ld.texinfo	2014-07-08 20:24:18.143356161 -0700
@@ -7509,7 +7509,7 @@
 @printindex cp
 
 @tex
-% I think something like @colophon should be in texinfo.  In the
+% I think something like @@colophon should be in texinfo.  In the
 % meantime:
 \long\def\colophon{\hbox to0pt{}\vfill
 \centerline{The body of this manual is set in}
@@ -7520,7 +7520,7 @@
 \centerline{{\sl\fontname\tensl\/}}
 \centerline{are used for emphasis.}\vfill}
 \page\colophon
-% Blame: doc@cygnus.com, 28mar91.
+% Blame: doc@@cygnus.com, 28mar91.
 @end tex
 
 @bye